@article{GDZPPN001262092,
title = {Non autonomous evolution operators of hyperbolic type.},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {302-321},
zbl = {0791.47040},
url = {http://dml.mathdoc.fr/item/GDZPPN001262092}
}
Da Prato, G.; Sinestrari, E. Non autonomous evolution operators of hyperbolic type.. Semigroup forum, Tome 44 (1992) pp. 302-321. http://gdmltest.u-ga.fr/item/GDZPPN001262092/